Home / 855,917.56-1,181,151.78-473,936.12

Finding the Fourth Proportional to 855,917.56, 1,181,151.78 and 473,936.12

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Solution

The fourth proportional to 855,917.56, 1,181,151.78 and 473,936.12 is: 654,023.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,917.56 : 1,181,151.78 = 473,936.12 : x
  2. Step 2: Convert to fraction form
    855,917.56/1,181,151.78 = 473,936.12/x
  3. Step 3: Cross multiply
    855,917.56x = 1,181,151.78 × 473,936.12
  4. Step 4: Simplify right side
    855,917.56x = 559,790,491,744.29
  5. Step 5: Solve for x
    x = 559,790,491,744.29/855,917.56
  6. Step 6: Final answer
    x = 654,023.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.